And, there was news today about something american families trust to keep their children safe. School buses. A new investigation by our affiliate, wmar in baltimore. It shows school buses caught on tape, gunning it through red lights. Abc's senior national more. Hug and kiss. Reporter: Parents trust them with precious lives. Our bus driver is really good. I never seen speed. Reporter: So, when moms and dads see pictures like this, school buses barrelling through red lights and caught hitting speeds 20 miles or more over the speed limit, it's shocking. On our lives, 50 lives that you just put in danger. Reporter: This is baltimore, are our affiliate wmar-abc 2 investigates hundreds of speeding and red light camera violations, caught on tape. Some of them had kids in the bus as it zoomed by the camera. We were absolutely stunned by the number of tickets that we found. Reporter: It's not just baltimore. Our cincinnati affiliate bought a radar gun. No way. Reporter: They, too, were surprised at the number of speeding bus drivers all over town. Scares me for the sake of 0 our children. Reporter: No wonder it's scary. Kids aren't required to use seat belts. This ohio bus with an interior camera captured what can happen in an accident. But the pictures may hide the facts here. An average of only five students die on-board school buses every year. Safer here than any any parents' car. The statistics don't lie. The school bus is the safest vehicle. Reporter: A safety record all ail agree in danger, when school bus drivers ignore the law. Jim avila, abc news, washington.

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